1203191

Information

• Patent Grant
• 1203191

• References
• Source

• Patent Number

  1,203,191

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1916
  108 years ago

• CPC

  • G11B7/00 - Recording or reproducing by optical means
  • Y10S47/12 - Sonic or ultrasonic treatment

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 047 - Plant husbandry
  • 346 - Recorders
  • 355 - Photocopying
  • 430 - Radiation imagery chemistry: process, composition, or product thereof